Home / 12,470.54-18,708.86-4,150.54

Finding the Fourth Proportional to 12,470.54, 18,708.86 and 4,150.54

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Solution

The fourth proportional to 12,470.54, 18,708.86 and 4,150.54 is: 6,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.54 : 18,708.86 = 4,150.54 : x
  2. Step 2: Convert to fraction form
    12,470.54/18,708.86 = 4,150.54/x
  3. Step 3: Cross multiply
    12,470.54x = 18,708.86 × 4,150.54
  4. Step 4: Simplify right side
    12,470.54x = 77,651,871.78
  5. Step 5: Solve for x
    x = 77,651,871.78/12,470.54
  6. Step 6: Final answer
    x = 6,226.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.